diff options
Diffstat (limited to 'songdbj/org/tritonus/share/sampled/file/TAudioOutputStream.java')
| -rw-r--r-- | songdbj/org/tritonus/share/sampled/file/TAudioOutputStream.java | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/songdbj/org/tritonus/share/sampled/file/TAudioOutputStream.java b/songdbj/org/tritonus/share/sampled/file/TAudioOutputStream.java deleted file mode 100644 index e54316c0a6..0000000000 --- a/songdbj/org/tritonus/share/sampled/file/TAudioOutputStream.java +++ /dev/null @@ -1,197 +0,0 @@ -/* - * TAudioOutputStream.java - * - * This file is part of Tritonus: http://www.tritonus.org/ - */ - -/* - * Copyright (c) 2000 by Matthias Pfisterer - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Library General Public License as published - * by the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* -|<--- this code is formatted to fit into 80 columns --->| -*/ - -package org.tritonus.share.sampled.file; - -import java.io.IOException; - -import javax.sound.sampled.AudioFormat; -import javax.sound.sampled.AudioSystem; - -import org.tritonus.share.TDebug; - - -/** - * Base class for classes implementing AudioOutputStream. - * - * @author Matthias Pfisterer - */ - -public abstract class TAudioOutputStream -implements AudioOutputStream -{ - private AudioFormat m_audioFormat; - private long m_lLength; // in bytes - private long m_lCalculatedLength; - private TDataOutputStream m_dataOutputStream; - private boolean m_bDoBackPatching; - private boolean m_bHeaderWritten; - - - - protected TAudioOutputStream(AudioFormat audioFormat, - long lLength, - TDataOutputStream dataOutputStream, - boolean bDoBackPatching) - { - m_audioFormat = audioFormat; - m_lLength = lLength; - m_lCalculatedLength = 0; - m_dataOutputStream = dataOutputStream; - m_bDoBackPatching = bDoBackPatching; - m_bHeaderWritten = false; - } - - - - public AudioFormat getFormat() - { - return m_audioFormat; - } - - - - /** Gives length of the stream. - * This value is in bytes. It may be AudioSystem.NOT_SPECIFIED - * to express that the length is unknown. - */ - public long getLength() - { - return m_lLength; - } - - - - /** Gives number of bytes already written. - */ - // IDEA: rename this to BytesWritten or something like that ? - public long getCalculatedLength() - { - return m_lCalculatedLength; - } - - protected TDataOutputStream getDataOutputStream() - { - return m_dataOutputStream; - } - - - /** Writes audio data to the destination (file or output stream). - */ - // IDEA: use long? - public int write(byte[] abData, int nOffset, int nLength) - throws IOException - { - if (TDebug.TraceAudioOutputStream) - { - TDebug.out("TAudioOutputStream.write(): wanted length: " + nLength); - } - if (! m_bHeaderWritten) - { - writeHeader(); - m_bHeaderWritten = true; - } - // $$fb added - // check that total writes do not exceed specified length - long lTotalLength=getLength(); - if (lTotalLength!=AudioSystem.NOT_SPECIFIED && (m_lCalculatedLength+nLength)>lTotalLength) { - if (TDebug.TraceAudioOutputStream) { - TDebug.out("TAudioOutputStream.write(): requested more bytes to write than possible."); - } - nLength=(int) (lTotalLength-m_lCalculatedLength); - // sanity - if (nLength<0) { - nLength=0; - } - } - // TODO: throw an exception if nLength==0 ? (to indicate end of file ?) - if (nLength>0) { - m_dataOutputStream.write(abData, nOffset, nLength); - m_lCalculatedLength += nLength; - } - if (TDebug.TraceAudioOutputStream) - { - TDebug.out("TAudioOutputStream.write(): calculated (total) length: " + m_lCalculatedLength+" bytes = "+(m_lCalculatedLength/getFormat().getFrameSize())+" frames"); - } - return nLength; - } - - - - /** Writes the header of the audio file. - */ - protected abstract void writeHeader() - throws IOException; - - - - /** Closes the stream. - * This does write remaining buffered data to the destination, - * backpatch the header, if necessary, and closes the destination. - */ - public void close() - throws IOException - { - if (TDebug.TraceAudioOutputStream) - { - TDebug.out("TAudioOutputStream.close(): called"); - } - // flush? - if (m_bDoBackPatching) - { - if (TDebug.TraceAudioOutputStream) - { - TDebug.out("TAudioOutputStream.close(): patching header"); - } - patchHeader(); - } - m_dataOutputStream.close(); - } - - - - protected void patchHeader() - throws IOException - { - TDebug.out("TAudioOutputStream.patchHeader(): called"); - // DO NOTHING - } - - - - protected void setLengthFromCalculatedLength() - { - m_lLength = m_lCalculatedLength; - } -} - - - -/*** TAudioOutputStream.java ***/ |